JSDoc: Class: Ball

Constructor

new Ball(x, y, vx, vy, r)

Create a Ball

Parameters:

Name	Type	Description
`x`	number	The initial x location of the Ball.
`y`	number	The initial y location of the Ball.
`vx`	number	The initial x velocity of the Ball.
`vy`	number	The initial y velocity of the Ball.
`r`	number	The radius of the Ball.

Source:

ball.js, line 46

Methods

checkEdges()

Checks to see if the Ball has left the boundaries of the canvas. If they have the ball will bounce back with 90% of it's original speed.

Source:

ball.js, line 114

draw()

Draws a white ellipse at the Balls position on the canvas

Source:

ball.js, line 136

getSpeed() → {number}

Gets the speed of the ball.

Source:

ball.js, line 106

Returns:

The speed.

Type: number

setVelX(newVelX)

Sets the x component of the velocity of the ball.

Parameters:

Name	Type	Description
`newVelX`	number	The new x velocity of the ball

Source:

ball.js, line 87

setVelY(newVelY)

Sets the y component of the velocity of the ball.

Parameters:

Name	Type	Description
`newVelY`	number	The new y velocity of the ball

Source:

ball.js, line 97

setX(newX)

Sets the x position of the ball

Parameters:

Name	Type	Description
`newX`	number	The new x position of the ball

Source:

ball.js, line 69

setY(newY)

Sets the y position of the ball

Parameters:

Name	Type	Description
`newY`	number	The new y position of the ball

Source:

ball.js, line 78

update()

Applies the velocity to the Ball.

Source:

ball.js, line 58